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142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/* BFD back-end data structures for ELF files.
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Copyright (C) 1992, 1993 Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef _LIBELF_H_
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#define _LIBELF_H_ 1
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#include "elf/common.h"
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#include "elf/internal.h"
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#include "elf/external.h"
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#ifndef NAME
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#if ARCH_SIZE==64
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#define NAME(x,y) CAT3(x,64_,y)
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#else /* ARCH_SIZE==32 */
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#define NAME(x,y) CAT3(x,32_,y)
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#endif
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#endif
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#define ElfNAME(X) NAME(Elf,X)
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#define elfNAME(X) NAME(elf,X)
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typedef struct
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{
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asymbol symbol;
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ElfNAME (Internal_Sym) internal_elf_sym;
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ElfNAME (External_Sym) native_elf_sym;
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/* these are used for the generation of .stabX symbols (?) */
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short desc;
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unsigned char type;
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char other;
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union
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{
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unsigned int hppa_arg_reloc;
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PTR any;
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}
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tc_data;
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}
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elfNAME (symbol_type);
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/* Lacking nested functions and nested types, set up for mapping over
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BFD sections to produce ELF sections. */
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typedef struct
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{
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ElfNAME (Internal_Ehdr) * i_ehdr;
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ElfNAME (Internal_Shdr) * i_shdrp;
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struct strtab *shstrtab;
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int symtab_section;
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}
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elf_sect_thunk;
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struct elfNAME(backend_data)
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{
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int use_rela_p;
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int elf_64_p;
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enum bfd_architecture arch;
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void (*elf_info_to_howto) PARAMS ((bfd *, arelent *,
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ElfNAME (Internal_Rela) *));
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void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *,
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ElfNAME (Internal_Rel) *));
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/* @@ I really don't think this should be here. I don't know what
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global_sym is supposed to be used for, but I doubt it's something
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that would be considered global, e.g., if you've got a program
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reading and writing many BFDs. My hunch is that it's specific to
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the output BFD. If not, put a comment here explaining why. */
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elfNAME (symbol_type) * global_sym;
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};
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extern bfd_target *bfd_elf32_object_p PARAMS ((bfd *));
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extern bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *));
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extern boolean bfd_elf32_mkobject PARAMS ((bfd *));
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extern boolean bfd_elf32_write_object_contents PARAMS ((bfd *));
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extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *));
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extern int bfd_elf32_core_file_failing_signal PARAMS ((bfd *));
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extern boolean bfd_elf32_core_file_matches_executable_p PARAMS ((bfd *,
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bfd *));
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extern boolean bfd_elf32_set_section_contents PARAMS ((bfd *, sec_ptr, PTR,
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file_ptr,
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bfd_size_type));
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extern boolean elf_get_sect_thunk PARAMS ((bfd *, elf_sect_thunk *));
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extern unsigned int bfd_elf32_get_symtab_upper_bound PARAMS ((bfd *));
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extern unsigned int bfd_elf32_get_symtab PARAMS ((bfd *, asymbol **));
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extern unsigned int bfd_elf32_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr));
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extern unsigned int bfd_elf32_canonicalize_reloc PARAMS ((bfd *, sec_ptr,
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arelent **,
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asymbol **));
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extern asymbol *bfd_elf32_make_empty_symbol PARAMS ((bfd *));
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extern void bfd_elf32_print_symbol PARAMS ((bfd *, PTR, asymbol *,
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bfd_print_symbol_type));
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extern void bfd_elf32_get_symbol_info PARAMS ((bfd *, asymbol *,
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symbol_info *));
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extern alent *bfd_elf32_get_lineno PARAMS ((bfd *, asymbol *));
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extern boolean bfd_elf32_set_arch_mach PARAMS ((bfd *, enum bfd_architecture,
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unsigned long));
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extern boolean bfd_elf32_find_nearest_line PARAMS ((bfd *, asection *,
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asymbol **,
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bfd_vma, CONST char **,
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CONST char **,
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unsigned int *));
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extern int bfd_elf32_sizeof_headers PARAMS ((bfd *, boolean));
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extern unsigned long elf_hash PARAMS ((CONST unsigned char *));
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/* If the target doesn't have reloc handling written yet: */
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extern void bfd_elf32_no_info_to_howto PARAMS ((bfd *, arelent *,
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Elf32_Internal_Rela *));
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#define get_elf_backend_data(abfd) \
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((struct elfNAME (backend_data) *) (abfd)->xvec->backend_data)
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struct strtab
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{
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char *tab;
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int nentries;
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int length;
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};
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extern struct elf32_internal_shdr *
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bfd_elf_locate_sh PARAMS ((bfd *, struct strtab *,
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struct elf32_internal_shdr *, CONST char *));
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#endif /* _LIBELF_H_ */
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